Circulatory System Quiz

Which of the following is NOT a component of blood vessels?

• Capillary beds

• Arteries

• Lymph nodes

• Veins

What is the main function of the circulatory system?

• To produce hormones

• To regulate body temperature

• To store energy

• To deliver oxygen and nutrients to tissues

Which of the following is a metabolic byproduct that needs to be removed by the circulatory system?

• Glucose

• Oxygen

• Carbon dioxide

• Amino acids

Approximately what percentage of body weight does blood constitute?

• 5%

• 8%

• 10%

• 12%

Blood is classified as which type of tissue?

• Muscle

• Nervous

• Epithelial

• Connective